Arc'teryx Satoro AR Crew LS Women's 3" high 6" wide SATORO AR CREW NECK SHIRT LS - Each Nucliex yarn is created by wrapping Merino fibres around a nylon filament to combine the natural comfort, efficiency and odour resistance of wool with the durability of the nylon core. ALL ROUND - High performance weather protection and materials, emphasizing versatility for multiple activities. ARC'ESSENTIALS - Versatile high performance designs for diverse activities and conditions. NATURAL FIBRE - Textiles made from natural fibres provide inherent benefits and next-to-skin comfort. SATORO - Merino wool base layers with natural anti-odour control. Long wearing comfort.